The table shows the color preferences for 20 students in a kindergarten class. What is the probability that one student, selected from the group, preferred the colors green or red? Simplify your fraction if possible.
color frequency
Purple 5
Blue 6
Green 6
Red 3
Captionless Image
3/20
9/20
3/10
1/4
The total number of students who preferred either green or red is 6 + 3 = 9. The total number of students in the class is 20. Therefore, the probability of selecting a student who preferred green or red is:
9/20
Simplifying the fraction is not possible, so the final answer is:
9/20